SECTION 7 – UNIT CONTROLS
FORM QWC3-NM1
ISSUE DATE:11/20/2020
QUANTECH
125
7
Print Key
The PRINT key allows the operator to obtain a printout
of real-time system operating data or a history print-
out of system data at the “instant of the fault” on the
last six faults which occurred on the unit. An optional
printer is required for the printout.
Operating Data Printout
Pressing the PRINT key and then OPER DATA key
allows the operator to obtain a printout of current sys-
tem operating parameters. When the OPER DATA key
is pressed, a snapshot will be taken of system operat-
ing conditions and panel programming selections. This
data will be temporarily stored in memory and trans-
mission of this data will begin to the printer. A sample
Operating Data printout is shown below. (Note: Not all
values are printed for all models. Not all data applies
to QWC3 chillers.)
QUANTECH INTERNATIONAL CORPORATION
MILLENNIUM LIQUID CHILLER
UNIT STATUS
2:04PM 01 JAN 10
SYS 1
NO COOLING LOAD
SYS 2
COMPRESSORS RUNNING 2
OPTIONS
CHILLED LIQUID
WATER
AMBIENT CONTROL
STANDARD
LOCAL/REMOTE MODE
REMOTE
CONTROL MODE
LEAVING LIQUID
LEAD/LAG CONTROL
AUTOMATIC
FAN CONTROL
AMB & DSCH PRESS
CURRENT FEEDBACK
NONE
POWER FAILURE RESTART
AUTOMATIC
SOFT START
ENABLED
EXPANSION VALVE
THERMOSTATIC
REMOTE TEMP RESET
4 TO 20 MA
PROGRAM VALUES
DSCH PRESS CUTOUT
570 PSIG
SUCT PRESS CUTOUT
80 PSIG
SUCT PRESS CUT COOLING
42 PSIG
SUCT PRESS CUT HEATING
31 PSIG
LOW AMBIENT CUTOUT
25.0 DEGF
LEAVING LIQUID CUTOUT
25.0 DEGF
ANTI RECYCLE TIME
600 SECS
FAN CONTROL ON PRESS
425 PSIG
FAN DIFF OFF PRESS
125 PSIG
NUMBER OF COMPRESSORS
6
NUMBER OF FANS PER SYSTEM
4
UNIT TRIP VOLTS
3.0
REFRIGERANT TYPE
R-22
DEFROST INIT TEMP
41.0 DEGF
DEFROST INITIATION TIME
60MIN
DEFROST TERMINATION TIME
3MIN
BIVALENT HEAT DELAY TIME
30 MIN
REMOTE UNIT ID PROGRAMMED
2
QUANTECH HYDRO KIT PUMPS
1 (410a)
PUMP TOTAL RUN HOURS
XXXXX (410a)
UNIT DATA
RETURN LIQUID TEMP
58.2 DEGF
LEAVING LIQUID TEMP
53.0 DEGF
DISCHARGE AIR TEMP
55.3 DEGF
COOLING RANGE
42.0 +/- 2.0 DEGF
HEATING RANGE
122.0 +/- 2.0 DEGF
SYS 1 SETPOINT
70 +/- 3 PSIG
SYS 2 SETPOINT
70 +/- 3 PSIG
REMOTE SETPOINT
44.0 DEGF
AMBIENT AIR TEMP
74.8 DEGF
LEAD SYSTEM
SYS 2
EVAPORATOR PUMP
ON
EVAPORATOR HEATER
OFF
ACTIVE REMOTE CONTROL
NONE
LAST DEFROST SYS X DURATION
XXXS
TIME TO SYS X DEFROST
XX MIN
BIVALENT DELAY REMAINING
XX MIN
UNIT XXX.X AMPS
X.X VOLTS
SOFTWARE VERSION
C.M02.13.00
SYSTEM 1 DATA
COMP STATUS
1=OFF 2=OFF 3=OFF
RUN TIME
0- 0- 0- 0 D-H-M-S
TIME YYYYYYY
0- 0- 0- 0 D-H-M-S
LAST STATE
YYYYYYY
SUCTION PRESSURE
105 PSIG
DISCHARGE PRESSURE
315 PSIG
SUCTION TEMPERATURE
46.0 DEGF
SAT SUCTION TEMP
34.0 DEGF
SUCTION SUPERHEAT
12.0 DEGF
COOLER INLET REFRIG
31.6 DEGF
DEFROST TEMPERATURE
52.8 DEGF
LIQUID LINE SOLENOID
OFF
MODE SOLENOID
OFF
HOT GAS BYPASS VALVE
OFF
CONDENSER FAN STAGE
OFF
EEV OUTPUT
0.0 %
SYSTEM
XXX.X AMPS X.X VOLTS
SYSTEM 2 DATA
COMP STATUS
1=ON, 2=OFF, 3=ON
RUN TIME
0-0-1-46 D-H-M-S
TIME YYYYYYY
0-0-0-0 D-H-M-S
LAST STATE
YYYYYYY
SUCTION PRESSURE
110 PSIG
DISCHARGE PRESSURE
320 PSIG
SUCTION TEMPERATURE
49.3 DEGF
SAT SUCTION TEMP
36.0 DEGF
SUCTION SUPERHEAT
13.3 DEGF
COOLER INLET REFRIG
31.6 DEGF
DEFROST TEMPERATURE
52.8 DEGF
LIQUID LINE SOLENOID
ON
MODE SOLENOID
ON
CONDENSER FAN STAGE
3
EEV OUTPUT
63.2%
SYSTEM
XXX.X AMPS X.X VOLTS
DAILY SCHEDULE
S M T W T F S
*=HOLIDAY
SUN START=00:00AM
STOP=00:00AM
MON START=00:00AM
STOP=00:00AM
TUE START=00:00AM
STOP=00:00AM
WED START=00:00AM
STOP=00:00AM
THU START=00:00AM
STOP=00:00AM
FRI START=00:00AM
STOP=00:00AM
SAT START=00:00AM
STOP=00:00AM
HOL START=00:00AM
STOP=00:00AM
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